<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>用于获取一个服务器的在线/离线状态</title>
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-base.css" />
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-medium.css" />

 </head>
 <body class="docs"><div class="navbar navbar-fixed-top">
  <div class="navbar-inner clearfix">
    <ul class="nav" style="width: 100%">
      <li style="float: left;"><a href="memcache.getextendedstats.html">« Memcache::getExtendedStats</a></li>
      <li style="float: right;"><a href="memcache.getstats.html">Memcache::getStats »</a></li>
    </ul>
  </div>
</div>
<div id="breadcrumbs" class="clearfix">
  <ul class="breadcrumbs-container">
    <li><a href="index.html">PHP Manual</a></li>
    <li><a href="class.memcache.html">Memcache</a></li>
    <li>用于获取一个服务器的在线/离线状态</li>
  </ul>
</div>
<div id="layout">
  <div id="layout-content"><div id="memcache.getserverstatus" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Memcache::getServerStatus</h1>
  <p class="verinfo">(PECL memcache &gt;= 2.1.0)</p><p class="refpurpose"><span class="refname">Memcache::getServerStatus</span> &mdash; <span class="dc-title">用于获取一个服务器的在线/离线状态</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-memcache.getserverstatus-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>Memcache::getServerStatus</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$host</code></span>, <span class="methodparam"><span class="type">int</span> <code class="parameter">$port</code><span class="initializer"> = 11211</span></span>): <span class="type">int</span></div>


  <p class="para rdfs-comment">
   <span class="function"><strong>Memcache::getServerStatus()</strong></span>返回一个服务器的在线/离线状态，你也同样可以使用
   函数<span class="function"><strong>memcache_get_server_status()</strong></span>。
  </p>

  <blockquote class="note"><p><strong class="note">注意</strong>: 
   <p class="para">
   这个函数在memcache2.1.0版本加入。
   </p>
  </p></blockquote>

 </div>


 <div class="refsect1 parameters" id="refsect1-memcache.getserverstatus-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">host</code></dt>

     <dd>

      <p class="para">
      主机监听地址。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">port</code></dt>

     <dd>

      <p class="para">
      主机监听端口，默认11211.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-memcache.getserverstatus-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
  返回一个服务器的状态，0表示服务器离线，非0表示在线。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-memcache.getserverstatus-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4369">
    <p><strong>示例 #1 <span class="function"><strong>Memcache::getServerStatus()</strong></span> 示例</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">/*&nbsp;OO&nbsp;API&nbsp;*/<br /></span><span style="color: #0000BB">$memcache&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Memcache</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$memcache</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">addServer</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #0000BB">$memcache</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getServerStatus</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;procedural&nbsp;API&nbsp;*/<br /></span><span style="color: #0000BB">$memcache&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">memcache_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #0000BB">memcache_get_server_status</span><span style="color: #007700">(</span><span style="color: #0000BB">$memcache</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-memcache.getserverstatus-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="memcache.addserver.html" class="function" rel="rdfs-seeAlso">Memcache::addServer()</a> - 向连接池中添加一个memcache服务器</span></li>
    <li class="member"><span class="function"><a href="memcache.setserverparams.html" class="function" rel="rdfs-seeAlso">Memcache::setServerParams()</a> - 运行时修改服务器参数和状态</span></li>
   </ul>
  </p>
 </div>


</div></div></div></body></html>